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staging: vc04_services: fix up rpi firmware functions

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The raspberrypi-firmware.h file should provide empty functions if we
aren't building in that option.  This makes it easier to test-build
code, and not have odd warnings about unused variables if you just try
to #define away the functions.

Cc: Daniel Stone <daniels@collabora.com>
Cc: "Noralf Trønnes" <noralf@tronnes.org>
Cc: Pranith Kumar <bobby.prani@gmail.com>
Cc: popcornmix <popcornmix@gmail.com>
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2016-10-11 15:16:55 +02:00
parent df044ebfc5
commit d45f1a563b
1 changed files with 19 additions and 0 deletions
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19
include/soc/bcm2835/raspberrypi-firmware.h
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@ -115,10 +115,29 @@ enum rpi_firmware_property_tag {
RPI_FIRMWARE_GET_DMA_CHANNELS = 0x00060001,
};
#if IS_ENABLED(CONFIG_RASPBERRYPI_FIRMWARE)
int rpi_firmware_property(struct rpi_firmware *fw,
u32 tag, void *data, size_t len);
int rpi_firmware_property_list(struct rpi_firmware *fw,
void *data, size_t tag_size);
struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node);
#else
static inline int rpi_firmware_property(struct rpi_firmware *fw, u32 tag,
void *data, size_t len)
{
return 0;
}
static inline int rpi_firmware_property_list(struct rpi_firmware *fw,
void *data, size_t tag_size)
{
return 0;
}
static inline struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node)
{
return NULL;
}
#endif
#endif /* __SOC_RASPBERRY_FIRMWARE_H__ */